Icon for a portion of a display screen



The FIGURE is a front view of an icon for a portion of a display screen showing our new design.

The broken line showing of a portion of a display screen is for the purpose of illustrating environmental structure and forms no part of the claimed design.

The icon shows a lock associated with an open page having representative lines across it indicative of information contained on the page. 

The ornamental design for an icon for a portion of a display screen, as shown and described. 